What's the 5th book in the Alex Cross series by James Patterson?  The author's first name is Marilyn and she writes a mystery series--who could she be?  Has James Lee Burke written more than the Dave Robicheaux series?

The What's Next Books in Series database (compiled by the Kent District Library) is one of our favorite sites for answering questions about all things related to book series.  It's bound to become a favorite of yours, too.